Видео ютуба по тегу Alex & Sierra Cover

Britney Spears - Toxic (Alex & Sierra cover)
Britney Spears - Toxic (Alex & Sierra cover)
Grease - You're the One That I Want (Alex & Sierra cover)
Grease - You're the One That I Want (Alex & Sierra cover)
Sara Bareilles - Gravity (Alex & Sierra cover)
Sara Bareilles - Gravity (Alex & Sierra cover)
Alex & Sierra
Alex & Sierra "Gravity" - Live Week 7: Semifinal - The X Factor USA 2013
Destiny's Child - Say My Name (Alex & Sierra cover)
Destiny's Child - Say My Name (Alex & Sierra cover)
Alex & Sierra - Little Do You Know (Video)
Alex & Sierra - Little Do You Know (Video)
A Great Big World - Say Something (Alex & Sierra cover)
A Great Big World - Say Something (Alex & Sierra cover)
Alex & Sierra - Little Do You Know (Annie LeBlanc & Hayden Summerall Cover)
Alex & Sierra - Little Do You Know (Annie LeBlanc & Hayden Summerall Cover)
Alex & Sierra
Alex & Sierra "Say Something" - Live Week 6 - The X Factor USA 2013
Alex & Sierra -X FACTOR 2013 - ALL IN ONE
Alex & Sierra -X FACTOR 2013 - ALL IN ONE
All Alex and Sierra Performaces on T X FACTOR US 2013
All Alex and Sierra Performaces on T X FACTOR US 2013
Alex & Sierra
Alex & Sierra "Blurred Lines" - Live Week 1 - The X Factor USA 2013
Alex & Sierra - Say Something (The X-Factor USA 2013) [Unplugged]
Alex & Sierra - Say Something (The X-Factor USA 2013) [Unplugged]
Alex & Sierra - Toxic Cover (Britney Spears)
Alex & Sierra - Toxic Cover (Britney Spears)
Alex & Sierra
Alex & Sierra "Heard It Through The Grapevine" - Live Week 2 - The X Factor USA 2013
Alex & Sierra
Alex & Sierra "You're The One That I Want" - Four Chair Challenge - The X Factor USA 2013
Alex & Sierra
Alex & Sierra "Toxic" - Audition - The X Factor USA 2013
Alex & Sierra and Carlito Olivero
Alex & Sierra and Carlito Olivero "Falling Slowly" - Live Week 7: Semifinal - The X Factor USA 2013